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Hongo Killer by Efficient Laboratories Inc

Medically reviewed on August 10, 2017

Dosage form: liquid
Ingredients: UNDECYLENIC ACID 25mg in 100mL
Labeler: Efficient Laboratories Inc
NDC Code: 58593-826

Disclaimer: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

Drug Facts

Active Ingredient                                   Purpose

Undecylenic Acid 25% w/v ............................. Antifungal




For external use only

Flammable: Keep away from fire or flame.

When using this product:avoid with eyes or mucous membrane.

Stop use and ask a doctor if:
  • irritation occurs
  • there is no improvement within 4 weeks

Do not use on children under 2 years of age unless directed by a doctor.

Keep out of reach of children. If swallowed, get medical help or contact a Poison Control Center right away.

If pregnant or breast-feeding,consult a health care professional before using this product.

Clean the affected area and dry thoroughly.

  • Apply a thin layer of Hongo Killer Antifungal Solution over affected area twice daily (morning and night) or as directed by a doctor.
  • Supervise children in the use of this product.
  • For athlete’s foot: Pay special attention to spaces between toes; wear well fitting,ventilated shoes, and change shoes and socks at least once daily.
  • For athlete’s foot and ringworm, use daily for 4 weeks. If condition persists longer, consult a doctor. This product is not effective on the scalp or nails.

For the cure of most:

  • athlete's foot (tinea pedis)
  • ringworm (tinea corporis)

For the relief of:

  • itching
  • burning
  • scaling
  • cracking
  • soreness
  • irritation

Questions or comments?
305-805-3456 (M-F 9:00 am-5:00 pm EST)

Inactive ingredients
aloe, fragrance, hypromelloses, isopropyl alcohol, tocopherol acetate (Vitamin E), water

undecylenic acid liquid
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:58593-826
Route of AdministrationTOPICALDEA Schedule    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
Inactive Ingredients
Ingredient NameStrength
#Item CodePackage Description
1NDC:58593-826-0130 mL in 1 BOTTLE, WITH APPLICATOR
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph finalpart333C07/01/2012
Labeler - Efficient Laboratories Inc (969044932)

Efficient Laboratories Inc

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Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.